Structural metal preparers and erectors assemble, erect and dismantle structural metal frames of buildings and other structures.
(a)   Tasks include -
marking metal framework as a guide when drilling, cutting, and shaping metal stock for use in buildings, ships and other structures;
drilling, cutting and shaping structural steel in a workshop;
erecting steel framework for buildings, bridges and other constructions;
assembling and erecting the framework and other metal parts of ships` structures;
shaping and fitting structural-steel plates of ships under construction or repair;
riveting structural-metal members by hand, machine or pneumatic riveter.